8244397 has 6 divisors (see below), whose sum is σ = 9590478. Its totient is φ = 7066584.

The previous prime is 8244391. The next prime is 8244407. The reversal of 8244397 is 7934428.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6245001 + 1999396 = 2499^2 + 1414^2 .

It is not a de Polignac number, because 8244397 - 2³ = 8244389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8244391) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84078 + ... + 84175.

It is an arithmetic number, because the mean of its divisors is an integer number (1598413).

Almost surely, 2^8244397 is an apocalyptic number.

It is an amenable number.

8244397 is a deficient number, since it is larger than the sum of its proper divisors (1346081).

8244397 is a wasteful number, since it uses less digits than its factorization.

8244397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168267 (or 168260 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 8244397 is about 2871.3058005026. The cubic root of 8244397 is about 202.0162471002.

The spelling of 8244397 in words is "eight million, two hundred forty-four thousand, three hundred ninety-seven".